Description : A mass of 5 kg moves on a smooth horizontal plane with a speed of 8 m/s attached to a fixed point on the plane by a string of length 4m. Tension in the string is a.785 b.80N c.392.4N d.None of the above e.Tapered bearing
Last Answer : b. 80N
Description : A weight of 4.9 N rests on a rough horizontal floor that has a coefficient of friction of 0.5. If g = 9.8 m/s2, the smallest horizontal force that gives the weight an acceleration of 4m/s2 is most nearly a.2.5 N b.3 N c.2 N d.4.5 N e.4.9 N
Last Answer : d. 4.5 N
Description : For what value of m will the expression 3x^3 + mx^2 + 4x – 4m be divisible by x + 2 ? -Maths 9th
Last Answer : f(x) = 3x3 + mx2 + 4x – 4m f(x) is divisible by (x + 2) if f(–2) = 0 Now f(–2) = 3(–2)3 + m(–2)2 + 4(–2) – 4m = – 24 + 4m – ... ; 4m = – 32 ≠ 0 ∴ No such value of m exists for which (x + 2) is a factor of the given expression
Description : Solve : `2m + 5 gt 9 - 4m, m in Q`
Last Answer : Solve : `2m + 5 gt 9 - 4m, m in Q`
Description : Solve for `m : 3(4m + 5) - 4(3-2m) = 13`
Last Answer : Solve for `m : 3(4m + 5) - 4(3-2m) = 13` A. `1//2` B. 2 C. `1//4` D. 1
Description : `4M(s)+overset(Ө)(C)N(aq.)+2H_(2)O(aq.)+O_(2)(g)` `" " to 4[M(CN)_(2)]^(Ө)(aq.)+4overset(Ө)(O)H(aq.)
Last Answer : `4M(s)+overset(Ө)(C)N(aq.)+2H_(2)O(aq.)+O_(2)(g)` `" " to 4[M(CN)_(2)]^(Ө)(aq.)+4overset(Ө)(O)H(aq.) A ... 2)` D. `[Ag(CN)_(2)]^(-),[Zn(CN)_(4)]^(-2)`
Description : Name the metal M which is extracted on the basis of following reactions: `4M+8NaCN+2H_(2)O+O_(2)to` `4NaM(CN)_(2)+4NaOH` `2NaM(CN)_(2)+ZntoNa_(2)Zn(CN
Last Answer : Name the metal M which is extracted on the basis of following reactions: `4M+8NaCN+2H_(2)O+O_(2)to` `4NaM(CN)_(2 ... 2M` A. Au or Ag B. Hg C. Ni D. Fe
Description : If a is the optimistic time, b is the pessimistic time and m is most likely time of an activity, the expected time of the activity, is (A) (a + m + b)/6 (B) (a + 2m + b)/6 (C) (a + 4m + b)/6 (D) (a + 5m + b)/6
Last Answer : (C) (a + 4m + b)/6
Description : A flag staff 17.5 m high casts a shadow of length 40.25m. What will be the height of a building, which casts a shadow of length 28.75m under similar conditions? a) 14m b) 11.4m c) 13.5m d) 12.5 m
Last Answer : d) 12.5 m
Description : A rectangular park has a concrete footpath running in the middle of the park parallel to the length of the park. The rest of the park is used as a playing ground, which has an area of 253 sq. m. If the width of the path ... m. What is the area of the park? (in sq. m.) (a) 896 (b) 345 (c) 432
Last Answer : (b) 345
Description : A column of length 4m with both ends fixed may be considered as equivalent to a column of length ………….with both ends hinged. (a) 2 m (b) 1 m (c) 3 m (d) 6 m
Last Answer : For a long column subjected to 1 point axial compressive load, its buckling strength will be maximum when its
Description : A race course is 250 m long. P and Q run a race and P wins by 4m. Q and R run over the same course and Q win by 3m. R and S run over it and S wins by 12m. If P and S run over it, then who would win and by how much? a) P by 4.82m b) S by 5.30m c) P by 7.25m d) Q by 6.54m
Last Answer : B If P covers 250m, Q covers 246 m If Q covers 250m, R covers 247 m If S covers 250m, R covers 238m Now if Q covers 246 m, then R will cover =247/250*246=243.048 If R covers 243.048 m, then S will cover= ... 048=255.30 If P and S run over 250 m, then S win by =(255.30-250) S win by = 5.30 m
Description : what- can a triangle be formed using side lengths 2 1/4m?
Last Answer : no
Description : What is the speed of the wave if the frequency is 80 Hz and the wavelength is 4m?
Last Answer : The speed of any wave is the product of frequency xwavelength.
Description : How many triangles exist from the given lengths 4m 4m and 7m?
Last Answer : Feel Free to Answer
Description : What is the anser to -9(6m-3) plus 6(1 plus 4m)?
Description : What does 4m + t =?
Last Answer : idk
Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 D. 240
Last Answer : ANSWER: C
Description : A rectangular room is 6m long, 5m wide and 4m high. What is the total volume of the room in cubic meters? A. 24 B. 30 C. 120 63 D. 240
Description : When the master switch for the winch shown in the illustration is in the 'off' position, and the line & safe switches are closed, which of the listed relays should be energized? EL-0102 A. 'DB' & '2T' B. 'DB' & '4M' C. 'FR-B.O.' & 'LV' D. '1M' & '1A'
Last Answer : Answer: C
Description : Which of the listed conditions occur when '4th point lower' is selected on the winch shown in the illustration? EL-0102 A. Master switch contacts '3', '4', '6', '8', '9', & '10' close. B. Contactors '2, 3, & 4M' and ' ... , '7', '8', and '9' close. D. Contactors '1 & 3M' and '1, 2, & 3A' pick up.
Last Answer : Answer: B
Description : Which of the listed conditions occur when selection is made for 'third point hoist' on the winch shown in the illustration? EL-0102 A. Master switch contacts '5', '6', '7', '8', and '9' close. B. Contactors '2M', ' ... ' and '2A' drop out. D. Master switch contacts '3','4', '6', '8', and '9' close.
Last Answer : Answer: D
Description : The Bohr magneton is given by a) eh/2m b) eh/2πm c) eh/4m d) eh/4πm
Last Answer : d) eh/4πm
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 6m. a) 17/6 b) -17/6 c) 13/6 d) -13/6
Last Answer : d) -13/6
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ =-3 at R = 5m. Find the flux density at R = 4.5m. a) 4/4.5 b) 3/4.5 c) 2/4.5 d) 1/4.5
Last Answer : c) 2/4.5
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 3m. a) 3 b) 10/3 c) 11/3 d) 4
Last Answer : b) 10/3
Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 1m. a) 0 b) 1 c) 2 d) 3
Last Answer : a) 0
Description : Compute the Gauss law for D = 10ρ 3 /4 i, in cylindrical coordinates with ρ = 4m, z = 0 and z = 5, hence find charge using volume integral. a) 6100 π b) 6200 π c) 6300 π d) 6400 π View Answe
Last Answer : d) 6400 π
Description : Evaluate Gauss law for D = 5r 2 /4 i in spherical coordinates with r = 4m and θ = π/2 as volume integral. a) 600 b) 588.9 c) 577.8 d) 599.7
Last Answer : b) 588.9
Description : Compute the Gauss law for D= 10ρ 3 /4 i, in cylindrical coordinates with ρ= 4m, z=0 and z=5. a) 6100 π b) 6200 π c) 6300 π d) 6400 π
Description : Evaluate Gauss law for D = 5r 2 /4 i in spherical coordinates with r = 4m and θ = π/2. a) 600 b) 599.8 c) 588.9 d) 577.8
Last Answer : c) 588.9
Description : The travel distance to an exit point on a working platform must be no more than? a. 7.4m b. 45m c. 15m d. 60m
Last Answer : c. 15m